package OlderCar;

/**
 * 车身
 */
public class FrameWork {

    private Bottom bottom;

    public FrameWork(int size){
        bottom = new Bottom(size);
    }

    public void init(){
        //车身依赖于底座
        System.out.println("FrameWork init()");
        bottom.init();
    }
}
